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Bash script
Fra : Trespasser


Dato : 20-03-02 10:49

Hejsa

Jeg sidder og roder med et script men jeg får denne fejl:
date: invalid date `fre mar 01 03:12:12 2002'
expr: syntax error
/glftpd/bin/Spacemaker.sh: [: =: unary operator expected

Hvorfor kommer denne fejl ? Nu skal det lige siges at jeg ikke er nogen
programmerings-haj og det script er et jeg har downloadet fra en hjemmeside
af.

Hvis det er ønskeligt kan jeg godt smide scriptet her.

Mvh

Brian



 
 
Peter Makholm (20-03-2002)
Kommentar
Fra : Peter Makholm


Dato : 20-03-02 11:21

"Trespasser" <n97bm001@_SPAM_get2net.dk> writes:

> Jeg sidder og roder med et script men jeg får denne fejl:
> date: invalid date `fre mar 01 03:12:12 2002'

Formodentlig parses uddata fra date(1) et eller andet sted (Af date
selv???)}. Du kan løse det på flere måder.

Den nok letteste er at indsætte 'LANG=C' eller 'LC_TIME=C' et passende
sted i scriptet. Enten bare på en linje for sig i begyndelsen.

Den korrekte måde vil dog nok være at få den date, der genererer en
dato til at genererer den i et genkendeligt format.Enten ved at
tilføje flaget -R eller -I til date-kaldet. Så vil datoen bliv vist på
en locale-uafhængig måde.

> expr: syntax error
> /glftpd/bin/Spacemaker.sh: [: =: unary operator expected

Den kan jeg ikke lige genkeden uden at se scriptet.

> Hvis det er ønskeligt kan jeg godt smide scriptet her.

Hvis det ikke er for langt, vil det måske være en god ide.

--
Emacs er det eneste moderne styresystem der ikke er multitrådet.

Trespasser (20-03-2002)
Kommentar
Fra : Trespasser


Dato : 20-03-02 11:34

Sorry jeg kom lige til at sende det til dig også, Peter

> > Jeg sidder og roder med et script men jeg får denne fejl:
> > date: invalid date `fre mar 01 03:12:12 2002'
> Formodentlig parses uddata fra date(1) et eller andet sted (Af date
> selv???)}. Du kan løse det på flere måder.
> Den nok letteste er at indsætte 'LANG=C' eller 'LC_TIME=C' et passende
> sted i scriptet. Enten bare på en linje for sig i begyndelsen.

Det prøvede jeg; men med samme resuiltat.

> Den korrekte måde vil dog nok være at få den date, der genererer en
> dato til at genererer den i et genkendeligt format.Enten ved at
> tilføje flaget -R eller -I til date-kaldet. Så vil datoen bliv vist på
> en locale-uafhængig måde.
>
> > expr: syntax error
> > /glftpd/bin/Spacemaker.sh: [: =: unary operator expected
> Den kan jeg ikke lige genkeden uden at se scriptet.
> > Hvis det er ønskeligt kan jeg godt smide scriptet her.
> Hvis det ikke er for langt, vil det måske være en god ide.

Her er det. Jeg har dog slette lidt for at det ikke fylder for meget:
#!/bin/bash

# Path to where this file is located.
spacemaker="/glftpd/bin/Spacemaker.sh";

# Path to store temporary files and the .lock file.
tmppath="/tmp";

# Echo moved/deleted dirs to glftpd.log? (0=no 1=yes)
glftpdlog=1;

# Delete nuked dirs instead of moving them? (0=no 1=yes)
deletenukes=1;

# Path to glftpd.log (only needed if you enabled logging above).
log_file="/glftpd/ftp-data/logs/glftpd.log";

# Path to your glftpd.conf.
conf_file="/etc/glftpd.conf";

# Specify the devices to clean space on.
# The buffer is to clean up more space than needed which might prevent the
# script from running so often (which might slow down the site).
# So you can have the script clean up 10GB but it only does this when it
# reaches say below 1GB.
# dev[x]="/dev/hd?:required.free.space.in.MB:buffer.in.MB"
dev[0]="/dev/hdx:500:2500";
dev[1]="/dev/hdy:500:2500";

# Specify the number of listed devices above.
# numdevs=dev[max] + 1
numdevs=2;

# Help paths. Paths to make it easier specifying the other paths.
inpath="/glftpd/site/Incoming";
outpath="/glftpd/site/Archive";

# [ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* ]
# This is the very core of the configuration part.
# This is where you specify what things go where.
# If you make any mistakes here it might go very bad. So be warned.

# I will try to explaing the script here a little:
# The script will first go through the list of devices specified.
# For each device it will then search through the paths. If it finds any
# matching paths it will try to determine which dir in any of the paths is
# the oldest. It does this by checking the dirs modification time.
# If it finds a dir it will try to either move or delete it.
# Before moving the dir it checks to make sure there is space on the
# destination device. If there isn't enough space it will try to make space
# there by running the script with that device as input.
# This is why you also need to specify in what dirs on the destination drive
# the script can clean up. You don't need to list the destination devices in
# the device list for this though. If you do, it will only mean that the
# script will check those devices too and that's not what we want.
# I will illustrate this by making an example.

#dev[0]="/dev/hda:500";
#numdevs=1;
#inpath="/glftpd/site/Incoming";
#outpath="/glftpd/site/Archive";
#path[0]="/dev/hda:Incoming:$inpath/ISO/Apps/:/dev/hdb:Archive:$outpath/ISO/
Apps/:ISO-Apps";
#path[1]="/dev/hdb:Archive:$outpath/ISO/Apps/::::ISO-Apps";
#numpaths=2;

# The example above will make the script move dirs found in
# /site/Incoming/ISO/Apps to /site/Archive/ISO/Apps.
# If there isn't enough space in the Archive it will delete the oldest dir
# found in /site/Archive/ISO/Apps.
# If you don't want something moved to archive simply leave out to
# destination configs on the first path.

# When sending information to the log you might want to know this.
# "Moving <some dir> that is an $dirtype from $indesc to $outdesc." becomes
# "Moving <some dir> that is an ISO-Apps from Incoming to Archive.".
# Feel free to edit the echo syntax below yourself. But make sure you know
# what you are doing.
# [ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* ]

# Specify what dir on what device to move to what dir on what device.
# Specify what dir on what device to delete.
# If you don't want something to be archived ignore outdev, outdescription
# and outpath and it will be deleted.
# Do NOT forget to add Archive paths so the script can delete in Archive
# when it needs space there.

# path[x]="indev:indescription:inpath:outdev:outdescription:outpath:dirtype"
# path[x]="indev:indescription:inpath::::dirtype"
path[0]="/dev/hdx:Incoming:$inpath/Stuff/:/dev/hdy:Archive:$outpath/Stuff/:S
tuff"
path[1]="/dev/hdy:Archive:$outpath/Stuff/::::Stuff"

# Number of paths listed above.
# numpaths=path[max] + 1
numpaths=2;

# Echo syntax. Be very careful when editing these!
# Deleting from an incoming path with success.
incomingdeletesuccess="echo \`date \"+%a %b %e %T %Y\"\` INFO:
\\\"SpaceMaker\\\" \\\"\$oldindesc free: \$freespace MB - Required:
\$reqspace MB - Freed \$oldsize MB by deleting \$oldestrel
\(\$oldesttype\)\\\""
# Delete from an archive path with failure.
archivedeletefail="echo \`date \"+%a %b %e %T %Y\"\` INFO:
\\\"SpaceMaker\\\" \\\"Free: \$olddevspace MB - Required: \$oldsize MB - No
dirs found to delete. Contact SiteOP ASAP\\\""
# Delete from an archive path with success.
archivedletesuccess="echo \`date \"+%a %b %e %T %Y\"\` INFO:
\\\"SpaceMaker\\\" \\\"\$oldindesc free: \$freespace MB - Required:
\$reqspace MB - Freed \$oldsize MB by moving \$oldestrel \(\$oldesttype\) to
\$oldoutdesc\\\""
# Error when neither delete or move was triggered.
errorondeleteormove="echo \`date \"+%a %b %e %T %Y\"\` INFO:
\\\"SpaceMaker\\\" \\\"Script malfunctioning. Contact SiteOP ASAP\\\""
# Error when no dirs are found to move or delete.
nodirsfound="echo \`date \"+%a %b %e %T %Y\"\` INFO: \\\"SpaceMaker\\\"
\\\"\$oldindesc free: \$freespace MB - Required: \$reqspace MB - No dirs
found to delete/move. Contact SiteOP ASAP\\\""
# Caught in an endless loop.
endlessloop="echo \`date \"+%a %b %e %T %Y\"\` INFO: \\\"SpaceMaker\\\"
\\\"I seem to have been caught in an endless loop. Contact SiteOP ASAP\\\""

# How does your nuked dirs look?
nukesyntax=`grep nukedir_style $conf_file | grep -v '#' | cut -f2-2 | awk -F
'%' -F '-' '{print $1}'`;


# [ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* ]
# [ * CONFIGURATION DONE
* ]
# [ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* ]

makespace () {
j=0; foundnuke=0; todo="";
oldest=`date -d NOW +%s`; oldestrel=""; oldindesc=$devname;
ctime=`date -d '2 minutes' +%s`;
while [ $j -lt $numpaths ] ; do
indev=`echo ${path[$j]} | awk -F : '{ print $1 }'`;
if [ "$devname" = "$indev" ]; then
indesc=`echo ${path[$j]} | awk -F : '{ print $2 }'`;
indir=`echo ${path[$j]} | awk -F : '{ print $3 }'`;
destdev=`echo ${path[$j]} | awk -F : '{ print $4 }'`;
destdesc=`echo ${path[$j]} | awk -F : '{ print $5 }'`;
outdir=`echo ${path[$j]} | awk -F : '{ print $6 }'`;
type=`echo ${path[$j]} | awk -F : '{ print $7 }'`;
nukedatum=`ls $indir -l --full-time -t | grep -w "$nukesyntax" |
tail -n1 | tr -s " " | cut -d " " -f6-10`;
datum=`ls $indir -l --full-time -t | tail -n1 | tr -s " " | cut -d
" " -f6-10`;
if [ ! -z "$nukedatum" ]; then
if [ "$foundnuke" == "0" ] ; then
oldest=`date -d NOW +%s`;
fi
foundnuke=1;
ctime=`date -d "$nukedatum" +%s`;
dir=`ls $indir -l --full-time -t | grep -w "$nukesyntax" |
tail -n1 | tr -s " " | cut -d " " -f11-11`;
else
if [ ! -z "$datum" ] && [ "$foundnuke" == "0" ] ; then
ctime=`date -d "$datum" +%s`;
dir=`ls $indir -l --full-time -t | tail -n1 | tr -s " " |
cut -d " " -f11-11`;
else
ctime=`date -d '2 minutes' +%s`;
dir="";
fi
fi
if [ -z $destdev ] || [ -z $outdir ] ; then
todo=delete;
else
if [ $foundnuke = "1" ] && [ $deletenukes = "1" ] ; then
todo=delete;
else
todo=move;
fi
fi
fi
if [ ! -z $indesc ] ; then
oldindesc=$indesc;
fi
if [ `expr $ctime "<=" $oldest` = 1 ] ; then
oldest=$ctime;
oldestrel="$dir";
oldesttype="$type";
oldin="$indir";
oldindesc="$indesc";
olddev="$destdev";
oldout="$outdir";
oldoutdesc="$destdesc";
oldtodo="$todo";
oldsize=`du -s -m $oldin$oldestrel | cut -f1`;
fi
j=`expr $j + 1`;
done
loop=`expr $loop + 1`
if [ ! -z "$oldestrel" ]; then
if [ $oldtodo = "delete" ] ; then
rm -rf $oldin$oldestrel
if [ $glftpdlog = "1" ] ; then
eval $incomingdeletesuccess >> $log_file
# echo `date "+%a %b %e %T %Y"` INFO: \"SpaceMaker\" \"$oldindesc
free: $freespace MB - Required: $reqspace MB - Freed $oldsize MB by deleting
$oldestrel \($oldesttype\)\" >> $log_file
fi
else
if [ $oldtodo = "move" ] ; then
olddevspace=`df -m | grep $olddev | awk '{print $4}'`;
olddevspace=`expr $olddevspace`;
while [ $olddevspace -lt $oldsize ] && [ $errorlevel = "0" ] ;
do
$spacemaker $olddev $olddevspace $oldsize
errorlevel=`echo $?`;
olddevspace=`df -m | grep $olddev | awk '{print $4}'`;
olddevspace=`expr $olddevspace`;
done
if [ $olddevspace -lt $oldsize ] ; then
if [ $glftpdlog = "1" ] ; then
eval $archivedeletefail >> $log_file
# echo `date "+%a %b %e %T %Y"` INFO: \"SpaceMaker\"
\"Free: $olddevspace MB - Required: $oldsize MB - No dirs found to delete.
Contact SiteOP ASAP\" >> $log_file
fi
errorlevel=1;
exit $errorlevel
else
mv -f $oldin$oldestrel $oldout
chown root.root -R $oldout$oldestrel
chmod 755 -R $oldout$oldestrel
touch $oldout$oldestrel
if [ $glftpdlog = "1" ] ; then
eval $archivedletesuccess >> $log_file
# echo `date "+%a %b %e %T %Y"` INFO: \"SpaceMaker\"
\"$oldindesc free: $freespace MB - Required: $reqspace MB - Freed $oldsize
MB by moving $oldestrel \($oldesttype\) to $oldoutdesc\" >> $log_file
fi
fi
else
if [ $glftpdlog = "1" ] ; then
eval $errorondeleteormove >> $log_file
# echo `date "+%a %b %e %T %Y"` INFO: \"SpaceMaker\" \"Script
malfunctioning. Contact SiteOP ASAP\" >> $log_file
fi
errorlevel=1;
exit $errorlevel;
fi
fi
else
if [ $glftpdlog = "1" ] ; then
eval $nodirsfound >> $log_file
# echo `date "+%a %b %e %T %Y"` INFO: \"SpaceMaker\" \"$oldindesc
free: $freespace MB - Required: $reqspace MB - No dirs found to delete/move.
Contact SiteOP ASAP\" >> $log_file
fi
errorlevel=1;
exit $errorlevel;
fi
if [ $loop = "10" ] ; then
if [ $glftpdlog = "1" ] ; then
eval $endlessloop >> $log_file
# echo `date "+%a %b %e %T %Y"` INFO: \"SpaceMaker\" \"I seem to
have been caught in an endless loop. Contact SiteOP ASAP\" >> $log_file
fi
errorlevel=1;
exit $errorlevel;
fi
}

if [ ! -z $1 ] ; then
if [ -z $2 ] || [ -z $3 ] ; then
echo "Not enough parameters given."
exit 1
fi
devname=$1;
freespace=`expr $2`;
reqspace=`expr $3`;
loop=0; errorlevel=0;
while [ $freespace -lt $reqspace ] && [ $errorlevel = "0" ] ; do
makespace $devname $freespace $reqspace
freespace=`df -m | grep $devname | awk '{print $4}'`;
freespace=`expr $freespace`;
done
else
# Check if the script is running or not (look for .lock file).
# If it is not running we create the .lock file.
if [ -e $tmppath/Spacemaker.lock ] ; then
echo "Script is already running. Remove $tmppath/Spacemaker.lock if
not."
exit 1
else
touch $tmppath/Spacemaker.lock
fi
i=0;
while [ $i -lt $numdevs ] ; do
devname=`echo ${dev[$i]} | awk -F : '{ print $1 }'`;
reqspace=`echo ${dev[$i]} | awk -F : '{ print $2 }'`;
buffer=`echo ${dev[$i]} | awk -F : '{ print $3 }'`;
reqspace=`expr $reqspace`;
buffer=`expr $buffer`;
reqbufspace=`expr $reqspace + $buffer`;
freespace=`df -m | grep $devname | awk '{print $4}'`;
freespace=`expr $freespace`;
loop=0; errorlevel=0;
while [ $freespace -lt $reqspace ] && [ $errorlevel = "0" ] ; do
reqspace=`expr $reqbufspace`;
$spacemaker $devname $freespace $reqspace
errorlevel=`echo $?`;
freespace=`df -m | grep $devname | awk '{print $4}'`;
freespace=`expr $freespace`;
done
i=`expr $i + 1`;
done
rm -f $tmppath/Spacemaker.lock
fi





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